Who We Are

Johnson Mechanical, LLC is a customer focused heating and air-conditioning company that was originally started in 1986. Located in Portage, WI, we employ highly trained people whose goal is to make our company the best service company in Portage Area and the Surrounding 40 Miles.

Our company specializes in designing, engineering, and installing complete comfort systems for owners of existing homes and buildings just like yours. We take special pride in the craftsmen we train and employ--a fact you'll notice immediately in the attitude and integrity they bring to your job site. Our entire company works hard to make your experience with us hassle-free and enjoyable. Should we make a mistake, we will do everything in our power to correct it to your satisfaction.

"Great experience. The tech and his apprentice stopped by and were timely, thorough, and were a pleasure to work with. Will recommend to friends and family."

—Dylan; Portage, WI

Your Heating and Cooling Experts in Portage, Wisconsin and surrounding areas for over 30 Years.

We have both the knowledge and the experience you need to keep your home comfortable for you and your family all year round.

Your home is your haven and the place you share with those you love.

With that said, why should you trust your most precious asset with a company you know nothing about? The answer - you shouldn't. That is one of the few reasons that make Johnson Mechanical, LLC stand out. We want to build a relationship with you and your family that will continue in the years to come. From the blustery days of winter to the heated, humid days of summer, Johnson Mechanical, LLC is just a call away.

With regularly scheduled maintenance check-ups we also offer you peace of mind, ensuring your equipment operates safely and continues to keep your home the place to be all year round.

Should something happen and your system stop working, Johnson Mechanical is just a phone call away and can normally service your equipment within 24-48 hours of your call.

In addition to keeping your equipment working, we help you save money on your fuel bills. With Energy-Efficient equipment, your home can stay comfortable without draining your pocketbook.

Do you have a family member with allergies? We help ensure that they as well as many others concerned with the quality of the air they breathe stay healthy. Call Johnson Mechanical today at (608) 742-4328 (HEAT).

Johnson Mechanical offers full design, service, and repairs.

Johnson Mechanical does Installation and Sales of:

Air Conditioners

Ductless Air Conditioners and heat pumps

Boilers

Air source heat pumps

Gas Furnaces

Propane Furnaces

Hot Water Systems

HRV

Humidifiers

Indoor Air Quality Products

Duct Work

Johnson Mechanical offers full design, service, and repairs.

Johnson Mechanical does Installation and Sales of:

Air Conditioners

Ductless Air Conditioners and heat pumps

Boilers

Air source heat pumps

Gas Furnaces

Propane Furnaces

Hot Water Systems

HRV

Humidifiers

Indoor Air Quality Products

Duct Work

Try Us and See for Yourself Why Most of Your Neighbors Already Use Us!

Good Through: December 2018

$20 Furnace Service Coupon

for Visiting our Web Site

This Coupon entitles a Homeowner to a $20.00 Discount off any Furnace service or repair performed by Johnson Mechanical, LLC at their residence. Only one (1) coupon per service address will be accepted. Coupon must be presented at the time of service. Payments for the balance is expected at the time of service.